Standard for Exchange of Non-clinical Data
The Standard for Exchange of Nonclinical Data (SEND) is an implementation of the CDISC Standard Data Tabulation Model (SDTM) for nonclinical studies, which specifies a way to present nonclinical data in a consistent format. These types of studies are related to animal testing conducted during drug development.
Source: Wikipedia — Standard for Exchange of Non-clinical Data (CC BY-SA 4.0)